{"id":2630,"date":"2022-07-20T10:49:26","date_gmt":"2022-07-20T03:49:26","guid":{"rendered":"https:\/\/hieuchuan3d.com\/?p=2630"},"modified":"2022-07-20T10:49:26","modified_gmt":"2022-07-20T03:49:26","slug":"top-4-cach-kiem-tra-pcb-hieu-qua-nhat-3d-vina","status":"publish","type":"post","link":"https:\/\/backup.hieuchuan3d.com\/en\/top-4-cach-kiem-tra-pcb-hieu-qua-nhat-3d-vina\/","title":{"rendered":"TOP 4 c\u00e1ch ki\u1ec3m tra PCB hi\u1ec7u qu\u1ea3 nh\u1ea5t"},"content":{"rendered":"

Sorry, this entry is only available in Vietnamese<\/a>. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

<\/p>\n

\n
\"op-4-thiet-bi-kiem-tra-pcb-hieu-qua-nhat\"<\/a><\/p>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/header>\n
\n

Khi b\u1ea1n s\u1ea3n xu\u1ea5t hay s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch in (PCB) trong c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, b\u1ea1n c\u1ea7n ch\u1eafc ch\u1eafn r\u1eb1ng ch\u00fang s\u1ebd ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u00e0 khi\u1ebfn kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n h\u00e0i l\u00f2ng. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i c\u00f3 m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ki\u1ec3m tra PCB, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 d\u1ef1 \u0111\u1ecbnh. Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 ki\u1ec3m tra PCB v\u00e0 d\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 TOP 4 c\u00e1ch ki\u1ec3m tra PCB hi\u1ec7u qu\u1ea3 nh\u1ea5t hi\u1ec7n nay.<\/strong><\/em><\/p>\n

\"top-4-thiet-bi-kiem-tra-pcb-hieu-qua-nhat\"<\/p>\n

PCB<\/strong>\u00a0(Printed circuit board)<\/b>\u00a0l\u00e0 m\u1ed9t b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp v\u00e0 kh\u00f4ng d\u1eabn \u0111i\u1ec7n, trong \u0111\u00f3 t\u1ea5t c\u1ea3 c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau tr\u00ean b\u1ea3ng m\u1ea1ch v\u00e0 c\u00f3 \u0111\u1ebf \u0111\u1ee1 ph\u00eda d\u01b0\u1edbi.\u00a0B\u1ea3ng m\u1ea1ch PCB<\/b>\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3\u00a0h\u1ed7 tr\u1ee3 c\u01a1 h\u1ecdc v\u00e0 k\u1ebft n\u1ed1i \u0111i\u1ec7n c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n ho\u1eb7c d\u1ea5u v\u1ebft t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c kh\u1eafc t\u1eeb c\u00e1c t\u1ea5m \u0111\u1ed3ng \u0111\u01b0\u1ee3c d\u00e1t m\u1ecfng l\u00ean m\u1ed9t ch\u1ea5t n\u1ec1n kh\u00f4ng d\u1eabn \u0111i\u1ec7n.<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o\u00a0b\u1ea3ng m\u1ea1ch PCB<\/strong> ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, th\u00ec vi\u1ec7c ki\u1ec3m tra PCB l\u00e0 kh\u00f4ng th\u1ec3 b\u1ecf qua. Sau \u0111\u00e2y l\u00e0 TOP 4 c\u00e1ch ki\u1ec3m tra m\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng n\u00ean b\u1ecf qua:<\/p>\n

1. Ki\u1ec3m tra tia X t\u1ef1 \u0111\u1ed9ng (AXI)<\/strong><\/span><\/h2>\n

ki\u1ec3m tra tia X t\u1ef1 \u0111\u1ed9ng (AXI)<\/strong>\u00a0\u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3\u00a0ki\u1ec3m tra\u00a0<\/strong>\u00a0PCB<\/strong>\u00a0ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 bao b\u00ec ki\u1ec3u m\u1ea3ng ho\u1eb7c bao b\u00ec cao \u0111\u1ed9 bao g\u1ed3m BGA, CGA (M\u1ea3ng l\u01b0\u1edbi c\u1ed9t), CSP (G\u00f3i k\u00edch th\u01b0\u1edbc chip),\u2026AXI th\u01b0\u1eddng\u0111\u01b0\u1ee3c \u0111\u1eb7t trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, ngay sau l\u1ea7n h\u00e0n cu\u1ed1i c\u00f9ng . H\u01a1n n\u1eefa, Ki\u1ec3m tra b\u1eb1ng tia X t\u1ef1 \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng c\u00f9ng v\u1edbi ki\u1ec3m tra qu\u00e9t ranh gi\u1edbi, ICT v\u00e0 ki\u1ec3m tra ch\u1ee9c n\u0103ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ki\u1ec3m tra t\u1ed1i \u01b0u. AXI s\u1eed d\u1ee5ng tia X thay v\u00ec h\u00ecnh \u1ea3nh \u00e1nh s\u00e1ng \u0111\u1ec3 ki\u1ec3m tra PCB.\u00a0C\u00e1c c\u00f4ng ty th\u01b0\u1eddng s\u1eed d\u1ee5ng AXI \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c b\u1ea3ng \u0111\u1eb7c bi\u1ec7t ph\u1ee9c t\u1ea1p ho\u1eb7c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0y \u0111\u1eb7c.<\/p>\n

\u01afu \u0111i\u1ec3m AXI trong ki\u1ec3m tra PCB c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:\u00a0M\u1ed9t s\u1ed1 khi\u1ebfm khuy\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in; g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c gi\u1ea3m chi ph\u00ed c\u1ee7a c\u00e1c khuy\u1ebft t\u1eadt;\u00a0ng\u0103n ch\u1eb7n c\u00e1c khi\u1ebfm khuy\u1ebft do l\u0169 l\u1ee5t trong qu\u00e1 tr\u00ecnh\u00a0l\u1eafp r\u00e1p PCB<\/strong>\u00a0 ho\u1eb7c th\u1eadm ch\u00ed c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

\"top-4-thiet-bi-kiem-tra-pcb-hieu-qua-nhat\"<\/p>\n

Tuy nhi\u00ean, AXI l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1edbi, ph\u1ee9c t\u1ea1p v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 chi ph\u00ed. B\u1edfi v\u00ec AXI r\u1ea5t t\u1ed1n k\u00e9m, n\u00f3 th\u01b0\u1eddng kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng ngo\u1ea1i tr\u1eeb v\u1edbi c\u00e1c b\u1ea3ng \u0111\u1eb7c bi\u1ec7t ph\u1ee9c t\u1ea1p ho\u1eb7c \u0111\u01b0\u1ee3c ph\u00e2n c\u1ee5m cao.<\/p>\n

2. \u0110o ki\u1ec3m tra laser t\u1ef1 \u0111\u1ed9ng (ALT)<\/strong><\/span><\/h2>\n

\u0110o ki\u1ec3m tra laser t\u1ef1 \u0111\u1ed9ng (ALT)<\/strong>\u00a0s\u1eed d\u1ee5ng tia laser thay v\u00ec h\u00ecnh \u1ea3nh \u00e1nh s\u00e1ng truy\u1ec1n th\u1ed1ng \u0111\u1ec3\u00a0ki\u1ec3m tra PCB<\/strong>\u00a0(c\u1ee5 th\u1ec3 l\u00e0\u00a0qu\u00e9t v\u00e0 \u0111o PCB<\/strong>). Khi \u00e1nh s\u00e1ng t\u1eeb laser ph\u1ea3n x\u1ea1 kh\u1ecfi c\u00e1c th\u00e0nh ph\u1ea7n PCB, h\u1ec7 th\u1ed1ng ALT s\u1eed d\u1ee5ng v\u1ecb tr\u00ed c\u1ee7a laser \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed v\u00e0 chi\u1ec1u cao c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 c\u1ee7a ch\u00fang. H\u1ec7 th\u1ed1ng ALT c\u00f3 th\u1ec3 so s\u00e1nh c\u00e1c ph\u00e9p \u0111o th\u1ef1c nghi\u1ec7m v\u1edbi m\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1eb7c t\u1eadp h\u1ee3p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 sai s\u00f3t n\u00e0o.<\/p>\n

Ph\u00e9p \u0111o ALT \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 v\u1ecb tr\u00ed v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ch\u1ea5t h\u00e0n, m\u1eb7c d\u00f9 s\u1ef1 can thi\u1ec7p \u0111\u00f4i khi c\u00f3 th\u1ec3 l\u00e0m cho ph\u00e9p \u0111o kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n

3. Ki\u1ec3m tra ngo\u1ea1i quan s\u1ea3n ph\u1ea9m (AOI)<\/strong><\/span><\/h2>\n

Ki\u1ec3m tra ngo\u1ea1i quan s\u1ea3n ph\u1ea9m<\/strong>\u00a0(AOI-Automated optical inspection)<\/strong>\u00a0\u00a0l\u00e0\u00a0ki\u1ec3m tra tr\u1ef1c quan\u00a0t\u1ef1 \u0111\u1ed9ng\u00a0\u0111\u1ed1i\u00a0v\u1edbi qu\u00e1 tr\u00ecnh s\u1ea3n\u00a0xu\u1ea5t\u00a0b\u1ea3ng m\u1ea1ch PCB\u00a0<\/strong>(ho\u1eb7c LCD\u00a0,\u00a0b\u00f3ng b\u00e1n d\u1eabn\u00a0) trong \u0111\u00f3\u00a0m\u00e1y \u1ea3nh\u00a0t\u1ef1 \u0111\u1ed9ng qu\u00e9t\u00a0thi\u1ebft b\u1ecb c\u1ea7n ki\u1ec3m tra \u0111\u1ec3 t\u00ecm c\u1ea3\u00a0l\u1ed7i nghi\u00eam tr\u1ecdng\u00a0(v\u00ed d\u1ee5 nh\u01b0 thi\u1ebfu th\u00e0nh ph\u1ea7n) v\u00e0\u00a0khuy\u1ebft t\u1eadt ch\u1ea5t l\u01b0\u1ee3ng (v\u00ed d\u1ee5: k\u00edch th\u01b0\u1edbc phi l\u00ea ho\u1eb7c h\u00ecnh d\u1ea1ng ho\u1eb7c \u0111\u1ed9 l\u1ec7ch th\u00e0nh ph\u1ea7n). \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng ti\u1ebfp x\u00fac, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec1u giai \u0111o\u1ea1n th\u00f4ng qua qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t bao g\u1ed3m ki\u1ec3m tra b\u1ea3ng tr\u1ea7n, ki\u1ec3m tra h\u00e0n d\u00e1n (SPI), l\u00e0m n\u00f3ng l\u1ea1i tr\u01b0\u1edbc\u2026<\/p>\n

\u0110\u1ec3\u00a0ki\u1ec3m tra t\u00ecnh tr\u1ea1ng PCB<\/strong>, H\u1ec7 th\u1ed1ng AOI ch\u1ee5p m\u1ed9t lo\u1ea1t h\u00ecnh \u1ea3nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u1edbi ngu\u1ed3n chi\u1ebfu s\u00e1ng LED \u0111\u1ec3 so s\u00e1nh t\u1ef1 \u0111\u1ed9ng ho\u1eb7c m\u00e1y qu\u00e9t laser v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i micromet theo tr\u1ee5c X, Y v\u00e0 Z. Lo\u1ea1i ki\u1ec3m tra \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.\u00a0V\u00ed d\u1ee5: thi\u1ebft b\u1ecb ki\u1ec3m tra ch\u1ea5t h\u00e0n d\u00e1n s\u1ebd s\u1eed d\u1ee5ng t\u00ednh n\u0103ng qu\u00e9t laze \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt h\u00e0n tr\u00ean mi\u1ebfng \u0111\u1ec7m, trong khi h\u1ec7 th\u1ed1ng x\u00e1c minh l\u1eafp r\u00e1p t\u1eadp trung v\u00e0o h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u h\u00e0n.<\/p>\n

C\u00e1c l\u1ee3i \u00edch m\u00e0 AOI mang l\u1ea1i c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n

    \n
  • \u0110\u1ea3m b\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m PCB c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 d\u1ef1 ki\u1ebfn<\/li>\n
  • C\u00f3 th\u1ec3 ki\u1ec3m tra c\u00e1c thi\u1ebft k\u1ebf b\u1ea3ng ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/li>\n
  • Ph\u00e1t hi\u1ec7n nhanh c\u00e1c sai s\u00f3t trong quy tr\u00ecnh\u00a0s\u1ea3n xu\u1ea5t PCB<\/strong>\u00a0ngay l\u1eadp t\u1ee9c<\/li>\n
  • AOI l\u00e0 m\u1ed9t quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ec3 cho m\u00e1y qu\u00e9t bi\u1ebft nh\u1eefng g\u00ec c\u1ea7n ki\u1ec3m tra<\/li>\n<\/ul>\n

    \"top-4-thiet-bi-kiem-tra-pcb-hieu-qua-nhat\"<\/p>\n

    Tuy nhi\u00ean h\u1ec7 th\u1ed1ng AOI c\u0169ng s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0 sau:<\/p>\n

      \n
    • AOI ch\u1ec9 b\u1eaft l\u1ed7i PCB v\u00e0 kh\u00f4ng b\u1eaft l\u1ed7i v\u1edbi c\u00e1c ch\u1ebf \u0111\u1ed9 l\u1ed7i kh\u00f3 ph\u00e2n lo\u1ea1i nh\u01b0 l\u1ed7i keo ho\u1eb7c con d\u1ea5u.<\/li>\n
    • Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n khuy\u1ebft t\u1eadt kh\u00f4ng linh ho\u1ea1t, m\u1ed7i thay \u0111\u1ed5i ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh.<\/li>\n
    • AOI kh\u00f4ng ph\u00e1t hi\u1ec7n ra c\u00e1c ph\u00e1t hi\u1ec7n m\u1edbi, n\u00f3 ch\u1ec9 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh tr\u01b0\u1edbc.<\/li>\n
    • C\u00e1c \u0111\u1ed9i kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng AOI.<\/li>\n<\/ul>\n

      4. Ki\u1ec3m tra trong m\u1ea1ch (ICT)<\/strong><\/span><\/h2>\n

      Ki\u1ec3m tra trong m\u1ea1ch (ICT)<\/strong>\u00a0trong c\u00f4ng ngh\u1ec7 b\u1ea3ng m\u1ea1ch, l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a In-Circuit Test. N\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00e0i ki\u1ec3m tra m\u1ea1ch trong m\u1ea1ch. V\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac , n\u00f3 l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 ki\u1ec3m tra h\u1ed9p tr\u1eafng, trong \u0111\u00f3 m\u1ed9t \u0111\u1ea7u d\u00f2 \u0111i\u1ec7n\u00a0ki\u1ec3m tra\u00a0b\u1ea3ng m\u1ea1ch in\u00a0<\/strong>\u00a0v\u00e0 ki\u1ec3m tra c\u00e1c l\u1ed7i nh\u01b0 ch\u1eadp, m\u1edf, v.v.\u00a0 L\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m n\u00e0y v\u1edbi b\u1ed9 c\u1ed1 \u0111\u1ecbnh th\u1eed nghi\u1ec7m ki\u1ec3u m\u00f3ng ho\u1eb7c c\u0103n ch\u1ec9nh th\u1eed nghi\u1ec7m trong m\u1ea1ch kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng.<\/p>\n

      Lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch\u00a0ki\u1ec3m tra c\u00e1c l\u1ed7i PCB<\/strong>\u00a0c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean bo m\u1ea1ch. Khi l\u00e0m nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thay th\u1ebf b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn n\u00e0o b\u1ecb l\u1ed7i. H\u01a1n n\u1eefa , n\u00f3 cung c\u1ea5p m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ed9i \u0111\u1ed3ng qu\u1ea3n tr\u1ecb v\u00e0 cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. ICT c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c gi\u00e1c h\u00fat \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a chip.<\/p>\n

      \"top-4-thiet-bi-kiem-tra-pcb-hieu-qua-nhat\"<\/p>\n

      M\u1eb7c d\u00f9 ki\u1ec3m tra trong m\u1ea1ch l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 r\u1ea5t m\u1ea1nh \u0111\u1ec3\u00a0ki\u1ec3m tra PCB<\/strong>, nh\u01b0ng n\u00f3 c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf sau:<\/p>\n

        \n
      • C\u00e1c th\u00e0nh ph\u1ea7n song song th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m nh\u01b0 m\u1ed9t th\u00e0nh ph\u1ea7n n\u1ebfu c\u00e1c th\u00e0nh ph\u1ea7n l\u00e0 c\u00f9ng lo\u1ea1i (t\u1ee9c l\u00e0 hai \u0111i\u1ec7n tr\u1edf)<\/li>\n
      • C\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n ph\u00e2n ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra ph\u00e2n c\u1ef1c trong c\u00e1c c\u1ea5u h\u00ecnh c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i song song v\u1edbi \u0111\u01b0\u1eddng ray \u0111i\u1ec7n) ho\u1eb7c v\u1edbi m\u1ed9t c\u1ea3m bi\u1ebfn c\u1ee5 th\u1ec3<\/li>\n
      • Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u1eeb khi c\u00f3 c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra b\u1ed5 sung v\u00e0 \/ ho\u1eb7c d\u00e2y n\u1ecbt c\u00e1p ph\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/li>\n
      • N\u1ebfu kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp th\u1eed nghi\u1ec7m n\u00e0o \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi nh\u00e0 thi\u1ebft k\u1ebf PCB th\u00ec m\u1ed9t s\u1ed1 th\u1eed nghi\u1ec7m s\u1ebd kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n<\/div>\n

        <\/p>\n\n\n

        \n \n
        \n \n
        \n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n <\/div>\n \n
        \n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n
        \n \n\n
        <\/div>\n <\/div>\n <\/div>\n<\/div>\n \n\n
        \n Rate this post<\/span>\n <\/div>\n <\/div>","protected":false},"excerpt":{"rendered":"

        Sorry, this entry is only available in Vietnamese. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. Khi b\u1ea1n s\u1ea3n xu\u1ea5t hay s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch in (PCB) trong c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, b\u1ea1n c\u1ea7n ch\u1eafc ch\u1eafn r\u1eb1ng […]<\/p>\n","protected":false},"author":2,"featured_media":2631,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1021],"tags":[1145,1153,1150,1148,1140,1147,1155,1151,1149,1154,1156,1152,1132],"acf":[],"_links":{"self":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts\/2630"}],"collection":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/comments?post=2630"}],"version-history":[{"count":0,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts\/2630\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/media\/2631"}],"wp:attachment":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/media?parent=2630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/categories?post=2630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/tags?post=2630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}